全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

一种用于评定矿物掺和料抑制ASR有效性的试验方法

DOI: 10.3969/j.issn.1674-0696.2011.05.015, PP. 952-956

Keywords: ASR,抑制,试验方法,改进法,ASR,inhibition,suppressingASRtest,modifiedmethod

Full-Text   Cite this paper   Add to My Lib

Abstract:

:?提出了一种用于评定矿物掺合料抑制ASR有效性的试验方法,该方法基于快速砂浆法,改进了试验的养护条件,对板岩骨料和1%玻璃模拟活性骨料进行了抑制试验研究,并与快速砂浆棒法试验结果进行了对比分析。结果表明:该方法能够反映出粉煤灰对ASR的抑制规律,2种方法最终判定结果相关性良好,可作为一种评定矿物掺合料抑制ASR有效性的试验方法。

References

[1]  张誉,蒋利学,张伟平,等.混凝土结构的耐久性概论[M].上海:上海科学技术出版社,2003:91-104.
[2]  卢都友,许仲梓,吕忆农,等.集料ASR碱活性检测方法评述[J].南京化工大学学报,1998,20(2):86-91.
[3]  LU Du-you,XU Zhong-zhi,LV Yi-nong,et al.A review on thetesting methods for identifying the ASR reactivity of aggregate[J].Nanjing University Technol ogg,1998,20(2):86-91.
[4]  ASTM C441.Standard test method for effectiveness of mineral ad-mixtures in preventing excessive expansion of concrete due to alkaliaggregate reaction[S].Pennsylvania:American Society for Testingand Materials,2001.
[5]  Stark D.Osmotic cell test to identify potential for alkali-aggregatereactivity[C]//Idorn G M,Rostam S.Proc.6th Int.Conf.on Al-kalis in Concrete.Copenhagen:Danish Concrete Association Publi-cation,1983:351-357.
[6]  Barneyback R S.Alkali-silica reaction in portland cement concrete[D].West Lafayette,Indiana,USA:Purdue University,1983.
[7]  Struble L,Brockman M.Standard aggregate materials for alkali-sil-ica reaction studies[C]//8th Int.Conf.on Alkali-Aggregate Re-action.Kyoto Japan:[S.N.],1989:433-437.
[8]  Lane D S.Comparison of results from C441and C1293with impli-cations for establishing criteria for ASR-resistant concrete[J].Ce-ment,Concrete and Aggregates,1999,21:149-156.
[9]  ASTM C1260—05.Standard test method for potential alkali reac-tivity of aggregates:Mortar-bar method[S].West Conshohocken,Pennsylvania:Annual Book of ASTM Standards V.04.02(Con-crete and Aggregates),American Society for Testing and Materials,2005.
[10]  Davies G,Oberholster R E.Use of the NBRI accelerated test to e-valuate the effectiveness of mineral admixtures in preventing the al-kali-silica reaction[J].Cement Concrete Research,1987 17(1):97-107.
[11]  Berube M A,Duchesne J,Chouinard D.Why the acceleratedmortar bar method ASTM C1260 is reliable for evaluating the ef-fectiveness of supplementary cementing materials on suppressingexpansion due to alkali-silica reactivity[J].Cement Concrete Re-search,1995,17(1):26-34.
[12]  Thomas M D A,Innis F A.Use of the accelerated mortar bar testfor evaluating the efficacy of mineral admixtures for controlling ex-pansion due to alkali-silica reaction[J].Cement,Concrete,andAggregates,1999,21:157-164.
[13]  ASTM C1567-04.Standard test method for determining the poten-tial alkali-silica reactivity of combinations of cementitious materi-als and aggregate:Accelerated mortar-bar method[S].Pennsylva-nia:American Society for Testing and Materials,2005.
[14]  卢都友,许仲梓,吕忆农,等.快速砂浆棒法检测集料碱活性的岩石和地域局限性及改进措施[J].南京工业大学学报:自然科学版,2008,30(2):98-104.
[15]  LU Du-you,XU Zhong-zhi,LV Yi-nong,et al.Limitations andimprovements for alkali-aggregate reactivity measurement with ac-celerated mortar bar test[J].Journal of Nanjing University ofTechnology:Natural Science,2008,30(2):98-104.
[16]  ASTM C1293—05.Standard test method for determination oflength change of concrete due to alkali-silica reaction[S].Penn-sylvania:American Society for Testing and Materials,2005.
[17]  Grattan-Bellew P E,Cybansk G,Fournier B,et al.Proposed uni-versal accelerated test for alkali-aggregate reaction:the concretemicrobar test[J].Cement,Concrete and Aggregates,2004,25:29-34.
[18]  Touma W E,Fowler D W,Carrasquillo R L,et al.Characterizingalkali-silica reactivity of aggregates using ASTM C1293,ASTMC1260,and their modifications[J].Transportation Research Re-cord,2001,1757:157-165.
[19]  Tang M S,Han S F.Rapid method for determining the preventiveeffect of mineral admixtures on alkali-silica reaction.[C]//IdornG M,Rostam S.Proc.6th Int.Conf.on Alkalis in Concrete.Co-penhagen:Danish Concrete Association Publication,1983:383-386.
[20]  Criaud A,Vernet C,Defoss C.Evaluation of the effectiveness ofmineral admixtures:a quick mortar bar test at 150℃[C]//PooleA B.Proc.of the 9th Int.Conf.On Alkali-Aggregate Reaction inConcrete.London:Concrete Society Publication,1992:192-200.
[21]  ASTM C289─94.Standard test method for potential alkali reactiv-ity of aggregate(chemical method)[S].Pennsylvania:AmericanSociety for Testing and Materials,1995.
[22]  Mielenz R C,Greene K T,Benton E J,et al.Chemical test for al-kali reactivity of pozzolans[J].Proc.American Concrete Institute,1952,52:1129-1144.
[23]  LIU Yan.Preventive effects of mineral admixtures on alkali-Silicareaction[D].HK:The University of Hong Kong,2003.
[24]  卢都友,吕忆农,莫祥银,等.国外预防碱集料反应的规范及评估方法评述[J].混凝土,1999(5):10-14.
[25]  LU Du-you,LV Yi-nong,MO Xiang-yin,et al.Standards and e-valuation methods for preventing AAR internationally[J].Con-crete,1999(5):10-14.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133